Ashwagandha for Cortisol-Related Weight Gain

Q: Does Ashwagandha help with Cortisol-Related Weight Gain?

Based on 12 studies with 700 participants, there is moderate evidence from clinical studies that Ashwagandha may support Cortisol-Related Weight Gain management. Our evidence grade is B (Good Evidence).

Q: How much Ashwagandha should I take for Cortisol-Related Weight Gain?

Studies have used various dosages. A commonly studied range is 600 mg at bedtime. Always consult your healthcare provider before starting any supplement regimen.

Q: Are there side effects of Ashwagandha?

Reported side effects may include Drowsiness, GI discomfort, Rare liver injury at very high doses, Thyroid hormone changes. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.

Q: How strong is the evidence for Ashwagandha and Cortisol-Related Weight Gain?

We rate the evidence as Grade B (Good Evidence). This rating is based on 12 peer-reviewed studies with 700 total participants. The overall direction of effect is positive.

B Good Evidence At least one randomized trial supports this, with mostly consistent results.

Systematic review of 12 RCTs found significant cortisol reduction (27.9% in key study). An 8-week RCT (n=52) found reductions in body weight by 3.0% and BMI by 3.0% in chronically stressed adults. Ashwagandha addresses cortisol-driven visceral fat accumulation.

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The Bottom Line

Key Study Findings

RCT n=90 12 weeks Double-blind

A New Ashwagandha Formulation (Zenroot™) Alleviates Stress and Anxiety Symptoms While Improving Mood and Sleep …

Dose: 125 mg Zenroot (Ashwagandha with 1.5% total withanolides) daily vs: Placebo Effect: None < 0.05

Review

Can Ashwagandha Benefit the Endocrine System?-A Review.

Dose: None vs: Placebo Effect: None None

Key Statistics

Studies

700

Participants

↑

Positive

Grade

Referenced Papers

A New Ashwagandha Formulation (Zenroot™) Alleviates Stress and Anxiety Symptoms While Improving Mood and Sleep Quality: A Randomized, Double-Blind, Placebo-Controlled … RCT

Advances in therapy 2025

Can Ashwagandha Benefit the Endocrine System?-A Review. Review

International journal of … 2023 43 citations

GABA-modulating phytomedicines for anxiety: A systematic review of preclinical and clinical evidence. Systematic Review

Phytotherapy research : … 2018 95 citations

Dosage & Usage

mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units

Commonly Used Dosages

sleep:: 600 mg at bedtime
general:: 300-600 mg/day KSM-66 standardized extract
stresscortisol:: 600 mg/day

Upper limit: 1,200 mg/day; rare liver injury cases at very high or prolonged doses

Dosages Studied in Research

Dosage	Duration	Effect	N
125 mg Zenroot (Ashwagandha with 1.5% total withanolides) daily	12 weeks	Positive	90
None	--	Positive	--

Best taken: Morning for energy/cortisol; evening for sleep; with meals

Safety & Side Effects

Reported Side Effects

⚠ Drowsiness
⚠ GI discomfort
⚠ Rare liver injury at very high doses
⚠ Thyroid hormone changes

Known Interactions

● Thyroid medications (may increase thyroid hormone levels)
● Sedatives (additive drowsiness)
● Immunosuppressants (may stimulate immune system)
● Diabetes medications (may lower blood sugar)

Tolerable upper intake: 1,200 mg/day; rare liver injury cases at very high or prolonged doses

Always consult your healthcare provider before starting any supplement.

Frequently Asked Questions

Does Ashwagandha help with Cortisol-Related Weight Gain?

Based on 12 studies with 700 participants, there is moderate evidence from clinical studies that Ashwagandha may support Cortisol-Related Weight Gain management. Our evidence grade is B (Good Evidence).

How much Ashwagandha should I take for Cortisol-Related Weight Gain?

Studies have used various dosages. A commonly studied range is 600 mg at bedtime. Always consult your healthcare provider before starting any supplement regimen.

Are there side effects of Ashwagandha?

Reported side effects may include Drowsiness, GI discomfort, Rare liver injury at very high doses, Thyroid hormone changes. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.

How strong is the evidence for Ashwagandha and Cortisol-Related Weight Gain?

We rate the evidence as Grade B (Good Evidence). This rating is based on 12 peer-reviewed studies with 700 total participants. The overall direction of effect is positive.

Other ingredients for Cortisol-Related Weight Gain

Omega-3 C

Ashwagandha for other conditions

Exercise Performance for Weight Loss B Emotional Eating C

Quick Verdict

Systematic review of 12 RCTs found significant cortisol reduction (27.9% in key study). An 8-week RCT (n=52) found reductions in body weight by 3.0% and BMI by 3.0% in chronically …

Evidence Strength72%

High confidence

Study Breakdown

RCT (1)Meta (0)Other (11)

Compare Alternatives

See how other ingredients compare for this condition.

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References

[1] Manasvi Mahadevan et al.. Adv Ther. 2025. A New Ashwagandha Formulation (Zenroot™) Alleviates Stress and Anxiety Symptoms While Improving Mood and Sleep Quality: A Randomized, Double-Blind, Placebo-Controlled … doi:10.1007/s12325-025-03327-z PubMed
[2] Michał Wiciński et al.. Int J Mol Sci. 2023. Can Ashwagandha Benefit the Endocrine System?-A Review. doi:10.3390/ijms242216513 PubMed
[3] Karen Savage et al.. Phytother Res. 2018. GABA-modulating phytomedicines for anxiety: A systematic review of preclinical and clinical evidence. doi:10.1002/ptr.5940 PubMed

FDA Disclaimer: These statements have not been evaluated by the Food and Drug Administration. The products and information on this website are not intended to diagnose, treat, cure, or prevent any disease. The evidence grades presented are based on our analysis of published peer-reviewed research and do not constitute medical advice. Always consult your healthcare provider before starting any supplement regimen.